HomeOracleOracle Error ORA-15055: unable to connect to ASM instance

Oracle Error ORA-15055: unable to connect to ASM instance

Oracle Error Message

ORA-15055: unable to connect to ASM instance

Reason for the Error

The RDBMS instance was unable to connect to the required ASM instance when accessing a disk group.

Solution

Check the additional error messages. May need to configure correct ASM sid or make sure the RDBMS instance has OS privileges for ASM SYSDBA.

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